WO2019007220A1

WO2019007220A1 - Indoor unit and air conditioner having same

Info

Publication number: WO2019007220A1
Application number: PCT/CN2018/092727
Authority: WO
Inventors: 赵杰明; 曹伟; 贺鹏
Original assignee: 格力电器（武汉）有限公司; 珠海格力电器股份有限公司
Priority date: 2017-07-05
Filing date: 2018-06-26
Publication date: 2019-01-10
Also published as: CN107228470A; CN107228470B

Abstract

An indoor unit, comprising a lower bottom shell (10) and an upper bottom shell (20); the upper bottom shell (20) has a first connecting side plate (21) connected to the lower bottom shell (10); the first connecting side plate (21) is provided with a limiting portion (30); the lower bottom shell (10) partially extends in the limiting portion (30) to be connected to the upper bottom shell (20). The indoor unit can avoid the problem in the prior art that condensed water accumulates between limiting ribs caused by providing the limiting ribs on the lower bottom shell (10) to connect the upper bottom shell (20) and the lower bottom shell (10). Also disclosed is an air conditioner having an indoor unit.

Description

Indoor unit and air conditioner having the same

Technical field

The present invention relates to the field of air conditioner equipment, and in particular to an indoor unit and an air conditioner having the same.

Background technique

In the prior art, the air conditioner is equipped with an evaporator, a fan blade, a motor, and the like on the bottom case. The duct and the waterway are located on the bottom casing and are then fixed to the wall panel. After long-term use of the whole machine, the air duct and the waterway are prone to dirt, which makes the air conditioner a source of pollution and affects the user experience.

At present, the detachable connection between the lower bottom case and the upper bottom case is used to disassemble and clean the dirty air passages and waterways. At the same time, the sealing of the air duct is achieved by the sealing ribs around the upper and lower bottom shells. However, at the connection position between the upper bottom shell and the lower bottom shell, as shown in FIG. 1 , the rib 3 of the upper bottom shell is closer to the evaporator, and the condensed water generated by the upper bottom shell flows into the lower bottom shell during the air conditioning refrigeration process. The ribs 1 and the ribs 2 at the side plates are fitted in the limiting grooves, so that condensed water is generated in front and rear of the ribs 3, and the condensed water gathers here, which is easy to breed bacteria and the like.

In the prior art, it is desirable to achieve superior sealing effect between the upper bottom shell and the lower bottom shell, and the sealing is mainly achieved by the contact between the upper and lower bottom shells, and the sealing method may be different when the air conditioner starts and stops. Problems such as ringing affect the comfort of the user. Moreover, the lower bottom shell is used as a matching manner of the limiting groove and the upper bottom shell, so that the lower bottom shell needs to be close to the wall surface when assembling, which is easy to cause damage to the wall body.

Summary of the invention

The main object of the present invention is to provide an indoor unit and an air conditioner having the same, which solves the problem that condensation of condensed water is easily generated in the lower case of the air conditioner in the prior art.

In order to achieve the above object, according to an aspect of the invention, an indoor unit is provided, comprising: a lower bottom case; an upper bottom case having a first connecting side plate, the first connecting side plate for the lower bottom case Connected, the first connecting side plate is provided with a limiting portion, and a part of the lower bottom case extends into the limiting portion to be connected with the upper bottom case.

Further, the limiting portion is a limiting groove formed on the end of the first connecting side plate, and the length direction of the limiting groove is consistent with the longitudinal direction of the first connecting side plate.

Further, the geometric center line along the depth direction of the limiting groove has a first angle β with respect to the horizontal direction, wherein 180° < β < 360°.

Further, the lower bottom case has a second connecting side plate, and a part of the second connecting side plate extends into the limiting groove, at least part of the outer surface of the second connecting side plate and/or the inner surface of the second connecting side plate A sealing rib is arranged on the upper side, and the sealing rib abuts against the groove wall of the limiting groove.

Further, the sealing rib comprises: a transverse sealing rib, the transverse sealing rib extending along a length direction of the second connecting side plate; a vertical sealing rib, an extending direction of the vertical sealing rib and a extending direction of the transverse sealing rib Has a second angle.

Further, the second angle is at a right angle.

Further, the lower bottom case includes: a lower bottom case mounting portion, the second connecting side plate is connected to the rear side wall of the lower bottom case mounting portion, and a part of the second connecting side plate and a part of the rear side of the lower bottom case mounting portion The wall is set as the first sink.

Further, the lower bottom case further includes: a water retaining plate connected to the rear side wall of the lower bottom case mounting portion and located below the second connecting side plate, the water blocking plate and a part of the lower bottom case mounting portion The rear side wall is surrounded by a second water tank.

Further, the front side wall of the lower bottom case mounting portion opposite to the rear side wall is provided with a third water tank, and the height of the third water tank projected on the vertical surface is smaller than the height projected by the second water tank on the vertical surface.

Further, the width of the notch side of the limiting groove is gradually increased.

Further, the opening direction of the limiting groove is downward in the vertical direction.

According to another aspect of the present invention, an air conditioner including an indoor unit, and the indoor unit is the indoor unit described above.

According to the technical solution of the present invention, the upper bottom case is provided with a limiting portion for the limiting position, and a part of the lower bottom case is extended into the limiting portion to realize the connection between the upper bottom case and the lower bottom case, thereby avoiding the existing In the technology, the problem that the condensed water is easily accumulated between the limiting ribs caused by the connection of the upper sill and the lower sill on the lower bottom shell is adopted. That is, according to the technical solution of the present application, the condensation water of the air conditioner can be effectively prevented from agglomerating on the lower bottom case, and the problem that the air conditioner is easy to breed bacteria under long-term use is effectively solved, and the user experience is improved.

DRAWINGS

The accompanying drawings, which are incorporated in the claims of the claims In the drawing:

Figure 1 shows a schematic view of the assembly of the upper housing and the lower housing;

Figure 2 is a block diagram showing the structure of an embodiment of an indoor unit according to the present invention;

Figure 3 is a schematic view showing the enlarged structure of A in Figure 2;

Figure 4 is a schematic view showing the first perspective of the embodiment of the lower casing and the vane of Figure 2;

Figure 5 is a schematic view showing the second perspective of the embodiment of the lower casing and the vane of Figure 2.

Wherein, the above figures include the following reference numerals:

10, the lower bottom shell; 11, the second connecting side panels; 12, the lower bottom shell mounting portion;

20, the upper bottom shell; 21, the first connecting side panels;

30, limit portion; 40, sealing ribs; 41, transverse sealing ribs; 42, vertical sealing ribs;

50, evaporator; 60, first sink; 70, water retaining plate; 80, second sink; 90, third sink;

100, wind blades.

Detailed ways

It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict. The invention will be described in detail below with reference to the drawings in conjunction with the embodiments.

It is to be noted that the terminology used herein is for the purpose of describing particular embodiments, and is not intended to limit the exemplary embodiments. As used herein, the singular " " " " " " There are features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first", "second", and the like in the specification and claims of the present application are used to distinguish similar objects, and are not necessarily used to describe a specific order or order. It is to be understood that the terms so used are interchangeable as appropriate, such that the embodiments of the invention described herein can be implemented, for example, in a sequence other than those illustrated or described herein. In addition, the terms "comprises" and "comprises" and "the" and "the" are intended to cover a non-exclusive inclusion, for example, a process, method, system, product, or device that comprises a series of steps or units is not necessarily limited to Those steps or units may include other steps or units not explicitly listed or inherent to such processes, methods, products or devices.

For convenience of description, spatially relative terms such as "above", "above", "on top", "above", etc., may be used herein to describe as in the drawings. The spatial positional relationship of one device or feature to other devices or features. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation of the device described. For example, if the device in the figures is inverted, the device described as "above other devices or configurations" or "above other devices or configurations" will be positioned "below other devices or configurations" or "at Under other devices or configurations." Thus, the exemplary term "above" can include both "over" and "under". The device can also be positioned in other different ways (rotated 90 degrees or at other orientations) and the corresponding description of the space used herein is explained accordingly.

Exemplary embodiments in accordance with the present application will now be described in more detail with reference to the accompanying drawings. However, the exemplary embodiments may be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. It is to be understood that the embodiments are provided so that this disclosure will be thorough and complete, and the concept of the exemplary embodiments will be fully conveyed to those skilled in the art, in which The thicknesses of the layers and regions are denoted by the same reference numerals, and the description thereof will be omitted.

2 to 5, according to an embodiment of the present invention, an indoor unit is provided.

Specifically, as shown in FIGS. 2 and 3, the indoor unit includes a lower bottom case 10 and an upper bottom case 20. The upper bottom case 20 has a first connecting side plate 21 for connecting with the lower bottom case 10, the first connecting side plate 21 is provided with a limiting portion 30, and a part of the lower bottom case 10 is extended to the limit position. The inside of the portion 30 is connected to the upper bottom case 20.

In this embodiment, the upper bottom case is provided with a limiting portion for limiting the position, and a part of the lower bottom case is extended into the limiting portion to realize the connection between the upper bottom case and the lower bottom case, which can avoid the prior art. The problem that the condensed water is easily accumulated between the limiting ribs caused by the connection of the upper sill and the lower sill on the lower bottom shell is adopted. That is, according to the technical solution of the present application, the condensation water of the air conditioner can be effectively prevented from agglomerating on the lower bottom case, and the problem that the air conditioner is easy to breed bacteria under long-term use is effectively solved, and the user experience is improved.

Preferably, the limiting portion 30 is a limiting groove formed on the end of the first connecting side plate 21, and the longitudinal direction of the limiting groove is consistent with the longitudinal direction of the first connecting side plate 21. Such an arrangement can effectively prevent condensation of condensed water on the lower sump, increasing the practicality of the indoor unit.

Further, the geometric center line along the depth direction of the limiting groove has a first angle β with respect to the horizontal direction, wherein 180° < β < 360°. Specifically, the horizontal line is perpendicular to the longitudinal direction of the limiting groove, and the horizontal line is regarded as the abscissa, starting from the bottom of the limiting groove, and the geometric center line along the opening direction of the limiting groove is vertical The projection line on the surface, the angle of the projection line of the geometric center line ranges from 180°<β<360°. That is, in the present embodiment, it is only necessary to ensure that the opening direction of the limiting groove is inclined downward. Preferably, the opening direction of the limiting groove is downward in the vertical direction. At this time, β = 270°.

Among them, the lower bottom case 10 has a second connecting side plate 11. A portion of the second connecting side plate 11 extends into the limiting groove, and at least a portion of the outer surface of the second connecting side plate 11 and the inner surface of the second connecting side plate 11 are provided with a sealing rib 40, and the sealing rib 40 Abuts against the groove wall of the limiting groove. The arrangement is such that the second connecting side plate 11 of the lower bottom case 10 is in line contact with the upper bottom case 20, and the arrangement can effectively reduce the contact area between the lower bottom case 10 and the lower bottom case 10, so that when the indoor unit is at No abnormal noise will occur during start-stop conditions, which improves the user experience.

Specifically, as shown in FIGS. 3 and 4, the sealing rib 40 includes a transverse sealing rib 41 and a vertical sealing rib 42. The transverse sealing rib 41 extends in the longitudinal direction of the second connecting side plate 11. The extending direction of the vertical sealing rib 42 has a second angle with the extending direction of the transverse sealing rib 41. This arrangement enables support of the upper sump from a plurality of orientations, increasing the reliability of the connection between the upper sump and the lower sump. Preferably, in order to reduce the contact area of the upper bottom case and the lower bottom case, the second angle may be set to a right angle.

As shown in FIGS. 4 and 5, the lower bottom case 10 includes a lower bottom case mounting portion 12. The second connecting side plate 11 is connected to the rear side wall of the lower bottom case mounting portion 12, and a part of the second connecting side plate 11 and a portion of the rear side wall of the lower bottom case mounting portion 12 are surrounded by a first water tank 60. This arrangement allows the condensed water formed on the second connecting side plate 11, i.e., the upper bottom case, to flow into the first water tank 60 to be discharged outside the indoor unit through the drain pipe, effectively preventing condensation of the condensed water in the indoor unit.

Preferably, a water retaining plate 70 is provided on the lower bottom case 10 in order to avoid generation of condensed water on the outer walls of the upper and lower bottom cases on the side of the evaporator 50. The water deflector 70 is connected to the rear side wall of the lower bottom case mounting portion 12 and is located below the second connecting side plate 11, and the water blocking plate 70 and the rear side wall of the portion of the lower bottom case mounting portion 12 are surrounded by the second side. Sink 80. This arrangement can effectively collect the condensed water generated by the indoor unit casing and discharge it in time to avoid the problem that the indoor unit dripping water affects the user experience.

In order to timely discharge the condensed water generated in the indoor unit to the indoor unit in time, a third water tank 90 is opened on the front side wall of the lower bottom case mounting portion 12 opposite to the rear side wall, and the third water tank 90 is vertical. The height projected on the surface is less than the height projected by the second sink 80 on the vertical plane.

In order to improve the assembly efficiency of the indoor unit, the width of the notch side of the limiting groove is set to gradually increase. This arrangement can also effectively reduce the assembly difficulty of the upper and lower casings.

The indoor unit in the above embodiment can also be used in the technical field of air conditioner equipment, that is, according to another aspect of the present invention, an air conditioner including an indoor unit, and the indoor unit is the indoor unit in the above embodiment. Specifically, the indoor unit includes a lower bottom case 10 and an upper bottom case 20. The upper bottom case 20 has a first connecting side plate 21 for connecting with the lower bottom case 10, the first connecting side plate 21 is provided with a limiting portion 30, and a part of the lower bottom case 10 is extended to the limit position. The inside of the portion 30 is connected to the upper bottom case 20. The wind blade 100 is disposed on the lower bottom case 10.

In this embodiment, the upper bottom case is provided with a limiting portion for limiting the position, and a part of the lower bottom case is extended into the limiting portion to realize the connection between the upper bottom case and the lower bottom case, which can avoid the prior art. The problem that the condensed water is easily accumulated between the limiting ribs caused by the connection of the upper sill and the lower sill on the lower bottom shell is adopted. That is, according to the technical solution of the present application, the condensation of the condensed water of the air conditioner on the lower bottom case can be effectively prevented, and the problem that the air conditioner is easy to breed bacteria under long-term use is effectively solved, and the user experience is improved.

Specifically, with the indoor unit in the present application, the condensed water generated by the indoor unit can be discharged in time, thereby avoiding the problem that the condensed water is accumulated in the indoor unit for a long time, and at the same time, by providing the sealing rib structure, Effectively prevents the occurrence of abnormal noise.

In this embodiment, the limiting groove on the upper bottom case is matched with the lower bottom case, and the condensed water generated by the upper bottom case is effectively introduced into the first water tank of the lower bottom case. At the same time, by setting the sealing ribs to achieve a higher sealing effect, the problem of abnormal noise caused by thermal expansion and contraction is prevented.

In this embodiment, in order to facilitate the cleaning of the portion of the air duct, the bottom case of the air conditioner is divided into an upper bottom shell and a lower bottom shell structure, and the overall sealing is achieved by the cooperation between the two, and the lower bottom shell is The upper bottom case is arranged in a detachable manner to achieve easy cleaning of the wind tunnel portion.

Wherein, the upper bottom shell has a stop groove structure with an open downward. In order to facilitate the assembly of the lower bottom case, the limiting groove on the upper bottom case has a flared structure, and the specific configuration of the flared structure is such that the width of the notch side of the limiting groove gradually increases. During assembly, the evaporator abuts against the front water tank of the lower bottom casing, that is, above the third water tank, so that the condensed water generated by the evaporator during cooling directly flows into the water tank and is discharged. Similarly, due to the lower temperature during the refrigeration of the evaporator, the positions of the upper and lower shells which are closer to each other will produce a certain amount of condensed water due to the lower temperature. To this end, a sink structure and a second water tank are provided on the back of the lower bottom case for draining the condensed water generated at the back of the upper and lower bottom cases. Moreover, the bottom sink of the lower bottom case has a higher position than the front water tank of the lower bottom case, so that the condensed water is discharged through the drain pipe to the outside.

In the top sealing position of the lower bottom shell, a series of sealing ribs are included, as shown in FIG. 3, the vertical sealing ribs matched by the front and rear ends of the lower bottom shell are in contact with the groove wall of the limiting groove of the upper bottom shell, thereby realizing The contact form of the line and the surface reduces the abnormal noise caused by the thermal expansion and contraction. At the same time, the horizontal sealing rib structure on the back of the lower bottom case is in contact with the groove wall of the limiting groove of the upper bottom case, thereby realizing the sealing of the upper and lower bottom shells, and preventing the air having a higher temperature on the rear side of the indoor unit casing. Flow into the air duct.

In addition to the above, it should be noted that "one embodiment", "another embodiment", "an embodiment" and the like referred to in the specification refers to a specific feature, structure or structure described in connection with the embodiment. Features are included in at least one embodiment of the general description of the application. The appearance of the same expression in various places in the specification does not necessarily refer to the same embodiment. Further, when a particular feature, structure, or feature is described in conjunction with any embodiment, it is claimed that such features, structures, or characteristics are also included in the scope of the invention.

In the above embodiments, the descriptions of the various embodiments are different, and the details that are not detailed in a certain embodiment can be referred to the related descriptions of other embodiments.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims

An indoor unit, comprising:

Lower sump (10);

An upper bottom case (20) having a first connecting side plate (21) for connecting with the lower bottom case (10), The first connecting side plate (21) is provided with a limiting portion (30), and a part of the lower bottom case (10) extends into the limiting portion (30) to be connected with the upper bottom case (20).
The indoor unit according to claim 1, wherein the limiting portion (30) is a limiting groove formed on an end of the first connecting side plate (21), the limiting groove The longitudinal direction coincides with the longitudinal direction of the first connecting side plate (21).
The indoor unit according to claim 2, wherein the geometric center line along the depth direction of the limiting groove has a first angle β with respect to the horizontal direction, wherein 180° < β < 360°.
The indoor unit according to claim 2, wherein the lower bottom case (10) has a second connecting side plate (11), and a part of the second connecting side plate (11) extends to the limit a sealing rib (40) is disposed on the inner surface of the at least part of the outer surface of the second connecting side plate (11) and/or the second connecting side plate (11), the sealing rib The strip (40) abuts against the groove wall of the limiting groove.
The indoor unit according to claim 4, wherein the sealing rib (40) comprises:

a transverse sealing rib (41), the transverse sealing rib (41) extending along a length of the second connecting side plate (11);

A vertical sealing rib (42), the extending direction of the vertical sealing rib (42) having a second angle with the extending direction of the transverse sealing rib (41).
The indoor unit according to claim 5, wherein the second angle is a right angle.
The indoor unit according to claim 4, wherein the lower bottom case (10) comprises:

a lower bottom case mounting portion (12), the second connecting side plate (11) is connected to a rear side wall of the lower bottom case mounting portion (12), and a part of the second connecting side plate (11) is A part of the rear side wall of the lower sill mounting portion (12) is surrounded by a first water tank (60).
The indoor unit according to claim 7, wherein the lower bottom case (10) further comprises:

a water stop plate (70) connected to a rear side wall of the lower bottom case mounting portion (12) and located below the second connecting side plate (11), the block The water plate (70) and a portion of the rear side wall of the lower bottom case mounting portion (12) are surrounded by a second water tank (80).
The indoor unit according to claim 8, wherein a front side wall of the lower bottom case mounting portion (12) opposite to the rear side wall is provided with a third water tank (90), the third water tank (90) The height projected on the vertical plane is smaller than the height projected by the second sink (80) on the vertical plane.
The indoor unit according to claim 2, wherein a width of the notch side of the limiting groove is gradually increased.
The indoor unit according to claim 2, wherein the opening direction of the limiting groove is downward in the vertical direction.
An air conditioner comprising an indoor unit, wherein the indoor unit is the indoor unit according to any one of claims 1 to 11.